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All Journal Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic) OPSI JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) Jurnal Ilmiah Dinamika Rekayasa (DINAREK) Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri SAINTEK: Jurnal ilmiah Sains dan Teknologi Industri Abdimasku : Jurnal Pengabdian Masyarakat JENIUS: Jurnal Terapan Teknik Industri Journal of Industial Engineering and Technology JURNAL TEKNIK INDUSTRI
Dewa Kusuma Wijaya
(Sinta ID: 6663274) Universitas Dian Nuswantoro
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Mechanical Engineering Public Health Social Sciences Transportation

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Journal : OPSI

 1 
3D Relief Cutting Process Using 2D Image Luminosity Grayscaling on The G-Weike WK1212 CNC Router Machine Dewa Kusuma Wijaya; Pramudi Arsiwi
OPSI Vol 14, No 2 (2021): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v14i2.5505

Abstract

 This study implements the image litophane processing method to convert 2D images into 3D designs using image luminosity grayscaling techniques, so that the design process as input data for CNC router machining operations can be carried out quickly to support rapid prototyping technology. Furthermore, this research will process the 3D design into a 3D engraving object with a relief cutting process using a G-Weike WK1212 CNC router machine. Using the image luminosity grascaling technique, the color composition value is obtained to change the grayscale color image by 33% red, 59% green and 11% blue with a luminosity value of 35% or 89 from the range of luminosity grayscale levels 0 - 255. These results are further increased by 50% to 172 or 67% of the range of grayscale luminosity levels L[0, 255] so that it will be at the ideal luminosity value for the relief cutting process. Using a luminosity value of 172 from a grayscale image, the actual depth value is 1.82mm from a total depth of 3mm, which of course the relief pattern will look good.
Design and manufacturing optimization of herbal drink crystallization machine using reverse engineering method Santoso, Heru Agus; Islahudin, Nur; Wijaya, Dewa Kusuma
OPSI Vol 16, No 2 (2023): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v16i2.11335

Abstract

This article explains the design and manufacture of a herbal drink powder crystallization machine at Menik Jaya MSMEs. The problem with this research stems from the large number of defective products produced in the form of herbal powder that is burnt and lumpy. This is because production staff still manually stir the process continuously without stopping, causing fatigue due to work and impacting the quality of the process. So that the optimal design and manufacture of the crystallization machine is obtained where the dimensions of the machine are 130 cm high, 100 cm long and wide, machine legs height is 62 cm, stove height is 87 cm from the base and the stove pan handle width is 12 cm. Regarding engine performance, the ideal electric capacity of the motor is 60 watts with a stirrer and pan made from a combination of wood and AISI 3195 stainless steel. The pully uses 2 types of sizes, if the volume of raw material is small then a 4 cm pully is used with 10 Rpm rotation speed and 0,052 Nm torque value, while for large volumes a 6 cm pully is used with 15 Rpm rotation speed and 0,038 Nm torque value.
Optimizing product design and development of engine carbon cleaning maintenance tools using reverse engineering and VDI 2222 methods Wijaya, Dewa Kusuma; Hartono, B.J Ridwan; Jazuli, Jazuli; Izzhati, Dwi Nurul
OPSI Vol 17, No 1 (2024): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v17i1.12032

Abstract

This research article explains the product design and development optimization of multi feature engine carbon cleaning maintenance tools. The implementation of the Reverse Engineering method was integrated with VDI 2222 in the research process. The results of the optimal design and development of this tool obtained a component structure that was able to meet 14 types of consumer needs with a total tool cost of IDR 1.137.900 with a total tool weight of 6.9 kg. The results of the load test simulation concluded that the housing case was able to withstand the overall weight of the components that make up the tool. Depending on the liquid chemical used, the results of tool tests on a limited scale have proven to be able in save fuel consumption by ±12.5% per hour with engine workload which can also be reduced by 3,14%.
Co-Authors Aji, Chandra Wahyu Amalia Amalia Dedi Nurcipto, Dedi Dian Retno Sawitri Dwi Nurul Izzhati Hartono, B.J Ridwan Heru Agus Santoso Herwin Suprijono Jazuli, Jazuli Kurniatie, Menik Dwi Kusmiyati Kusmiyati Nugroho, Doni Satriyo Nugroho, Dony Satriyo Nur Alfathan Banoel Nur Islahudin Prajanto Wahyu Adi Pramudi Arsiwi Samsudin, Ananda Eka Putra Tita Talitha